CN1480422A - Mfg. method of blocks - Google Patents
Mfg. method of blocks Download PDFInfo
- Publication number
- CN1480422A CN1480422A CNA021482756A CN02148275A CN1480422A CN 1480422 A CN1480422 A CN 1480422A CN A021482756 A CNA021482756 A CN A021482756A CN 02148275 A CN02148275 A CN 02148275A CN 1480422 A CN1480422 A CN 1480422A
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- China
- Prior art keywords
- shaping thing
- weight
- block shaping
- main raw
- raw material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Processing Of Solid Wastes (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Provided is a method for manufacturing a block which is cost effective and global-environmentally friendly without a baking process while effectively utilizing an alternative viscous material and an industrial waste as a block material without the use of clay, i.e., a finite terrestrial resources. Shale and optionally waste viscous soil, waste mass and waste fines are used as main raw materials. If necessary, a curing agent is added to the main raw materials. The mixture is mixed with cement and water, followed by kneading. The mixture is extruded while deaerating the mixture by vacuum suction. The extrudate is dried without baking to prepare a block.
Description
Technical field
The present invention relates to the manufacture method of block shaping things such as fragment of brick, particularly do not use the clay clay of sinter (directly as), can effectively utilize the bulk shaping thing manufacture method that substitutes cohesive material or industrial waste and need not carry out sintering (no sintering).
Background technology
Usually fragment of brick forms with vitrified bond.The clay that becomes the fragment of brick material is the clay that directly just can be used as sinter, and its resource is very limited, and the environmental disruption that excavation is caused and the minimizing of farmland can become social concern.In order to carry out the sintering of fragment of brick, not only need agglomerating plant and bigger energy, also can discharge the carbonic acid gas that causes global warming that sintering produces inevitably.
In recent years, for the quarrying roach as industrial waste of in the sandstone gatherer process, being discharged, or from various stoves a large amount of coals combustion ash (furnace bottom ash) or blast-furnace slag, cupola furnace grain slag slag, flying dust or other wastes of discharging also effectively do not utilize method.
In view of above situation, the purpose of this invention is to provide a kind of economy and help the manufacture method of the bulk shaping thing of global environment, this method is not used the limited clay as earth resources, and will substitute cohesive material or industrial waste effectively utilizes as block shaping thing material, and there is not sintering process.
Summary of the invention
The manufacture method of the present invention 1 bulk shaping thing is with shale and the discarded cohesive soil that adopts as required, discarded piece and waste-powder are main raw material, they are mixed, smash and pinch with cement and moisture, again by vacuum suction to the mixture processing that outgases, with its extrusion molding, only obtain block shaping thing simultaneously through super-dry without sintering processes.
The manufacture method of the present invention 2 bulk shaping thing is that the discarded piece and the waste-powder that reach employing as required with discarded cohesive soil are main raw material, they are mixed, smash and pinch with cement and moisture, again by vacuum suction to the mixture processing that outgases, with its extrusion molding, only obtain block shaping thing simultaneously through super-dry without sintering processes.
The present invention 3 further limits the manufacture method of the bulk shaping thing of the present invention 1 or 2, adds stiffening agent as required in aforementioned base materials.
The present invention 4 further limits the manufacture method of the bulk shaping thing of the present invention 1,2 or 3, aforementioned discarded cohesive soil comprises any in building roach, quarrying roach, ceramic industry roach or the diatom roach, aforementioned discarded piece comprises any in spoil, blast-furnace slag, converter slag, electric-furnace slag, cupola furnace grain slag slag, furnace bottom ash, concrete fragment, brick fragment, fragment of brick fragment or the tile fragment, and waste-powder comprises that flying dust or water drain incinerate any in the ash.
The present invention 5 further limits the manufacture method of the bulk shaping thing of the present invention 1,2,3 or 4, and the size-grade distribution of aforementioned main raw material is that particle that particle that particle that the particle of 10mm～850 μ m accounts for 55～80 weight %, 850 μ m～425 μ m accounts for 8～20 weight %, 425 μ m～250 μ m accounts for 3～15 weight %, 250 μ m～106 μ m accounts for the following particle of 3～15 weight %, 106 μ m and accounts for 2～10 weight %.
Description of drawings
Fig. 1 is the simple flow chart of the manufacturing process of block shaping thing of the present invention.
Embodiment
Below, the present invention is described in detail with reference to the accompanying drawings.
Fig. 1 is the simple flow chart of the manufacturing process of block shaping thing of the present invention.
The bulk shaping thing of manufacturing of the present invention is fragment of brick or the bulk that is laid on road surface etc.Though, as described in the following Examples, can be adjusted by having or not the kind of adding stiffening agent or raw material in the present invention because the different needed intensity of purposes have difference.
At first, be illustrated at main raw material of the present invention.Among the present invention 1, shale as necessary raw material, is used discarded cohesive soil, discarded piece and waste-powder more as required.With respect to this, among the present invention 2, will discard cohesive soil as necessary raw material, use discarded piece and waste-powder more as required.
Conduct among the present invention 1 must raw material shale be also referred to as slate (Shale), belong to a kind of of precipitation rock, be the sedimentary rock that constitutes by clay or earth, its bedding is very flourishing, comprises resinous shale, black shale, calcareousshale etc.It is the laminar character of peeling off easily that has, and for example, covers the natural rock layer of the open-air tap layer of coal in a large number.Be the earthy industrial waste that possesses viscosity as discarded cohesive soil that must raw material among the present invention 2, as the present invention 4 limits, be divided into building roach, as the quarrying roach of coagulative precipitation mud, as the ceramic industry roach of clay fragments, as (with reference to table 1) such as diatom roach of roach as the inorganic nature excess sludge.These shale and discarded cohesive soil, owing to possess viscosity, so can be used as the main raw material of the shaped material of block shaping thing.Shown in the embodiment, use these also can obtain block shaping thing by raw material separately as described later.
As other main raw materials, use discarded piece and waste-powder as required.These all are block or pulverous industrial waste or by product, as the present invention 4 limits, discarded piece is divided into the spoil of being discharged as bad ore when excavating coal, blast-furnace slag, converter slag, electric-furnace slag, the slag of cupola furnace ore hearth, scum silica frost as various industrial furnace residues (slag), as the cupola furnace grain slag slag of slag, as the furnace bottom ash of combustion ash of coal, as concrete fragment, brick fragment, fragment of brick fragment and the tile fragment etc. of buildings rubble class.Waste-powder is divided into as the flying dust of little carbon burning dust, incinerates (with reference to table 1) such as ashes as the sewage sludge of other slags.The a large amount of wastes of discharging of these association areas except placing into the soil, did not almost have other treatment processs in the past.
Table 1
| Character | Middle classification | Subclassification | Title |
| Natural rock | Shale | ||
| Cohesive soil | Inorganic nature mud | The inorganic nature residual sludge | The building roach |
| Coagulative precipitation mud | Quarrying roach (dehydration piece) | ||
| The clay chip | The ceramic industry roach | ||
| Other slags | Roach (diatomite) | The diatom roach | |
| Block shaping thing | Slag | Bad ore | Spoil |
| The residue of blast furnace, open hearth, converter, electric furnace (slag) | Blast-furnace slag converter slag electric-furnace slag | ||
| The slag of cupola furnace ore hearth, scum silica frost, slag | Cupola furnace grain slag slag | ||
| Other incinerate ash | Combustion ash of coal | Furnace bottom ash | |
| The rubble class of buildings | Concrete fragment brick fragment fragment of brick fragment tile fragment | Concrete fragment brick fragment fragment of brick fragment tile fragment | |
| Powder | The dust class | Little carbon burning dust | Flying dust |
| Other slags | Other slags | Sewage sludge incinerates ash |
Below, the present invention's's (comprising the present invention 1 and 2) manufacturing process is illustrated.After as required aforementioned main raw material being ground into suitable size, quilt is smash to pinch to mix.Mix to smash by mixing roll and pinch raw material and make water content and material uniform distribution.And use crusher that it is made viscosity raw material tabular and that material is good.
Mix and to smash the main raw material pinched after metering, add the cement and the water of specified amount, by the pressure mixing roll it is smash to pinch then and mix and compression.The combined amount of cement is roughly 10～30 weight portions with respect to 100 weight part main raw materials.Pinch when mixing smashing, as shown in the figure, can add stiffening agent as required, check out the crushed material of the bad block shaping thing of sneaking into.If also need to carry out painted, then need add the pigment of regulation to bulk shaping thing.
The interpolation of stiffening agent is as described in the present invention 3, but is the intensity for the bulk shaping thing that improves manufacturing shown in the embodiment described later.Under the situation of adding stiffening agent, with respect to the aforementioned cement of 100 weight parts, its addition is 2～7 weight portions.As stiffening agent, except " ERU " series of the inorganic non-metallic class of the applicant's manufacturing, can also use the commercially available multi-functional stiffening agent that contains the inorganic metal element (for example, " NEOACTRONG " (trade(brand)name)).
Cement and moisture have been obtained fully smashing the mixture of pinching imported in the vacuum extruder, made its degassing and extrusion molding, again with cutting or mode such as pressurization makes the bulk shaping thing of regulation shape by vacuum suction.Owing to mixture will be made the big decorating film of density height and compressive strength, so the vacuum extrusion process is extremely important.In an embodiment, in order to carry out the off line extrusion molding, used brick and tile to be shaped with vacuum extruder (for example, high creek industrial " KAJISEKI SSE-330 (trade(brand)name)).
Do not need the mixture of extrusion molding is carried out sintering processes, just can obtain block shaping thing by drying.Then, shown in the schema of Fig. 1, pinch combination treatment to checking that the defective products that comes out is smash once more.
The bulk shaping thing that more than makes is to make its extrusion molding by vacuum suction one in the face of its one side of bleeding with vacuum extruder, compares with the extrusion molding mode of not using vacuum suction to outgas, and its compressive strength has increased about about 3 times.Utilizing the average compressive strength of the extrusion molding sample that makes 1,2,3 of manufacture method of the present invention is 36.9, and same materials but not adopt vacuum suction to make the average intensity of the comparative sample 4,5,6 of its direct extrusion molding that outgases be 13.2 (all having added stiffening agent).
Below, the size-grade distribution of main raw material is described.The size-grade distribution of main raw material can have influence on the plasticity of block shaping thing.As the present invention 5 limited, the particle that the particle that the particle that size-grade distribution accounts for 55～80 weight %, (b) 850 μ m～425 μ m for the particle of (a) 10mm～850 μ m accounts for 8～20 weight %, (c) 425 μ m～250 μ m accounts for 3～15 weight %, (d) 250 μ m～106 μ m accounted for the following particle of 3～15 weight %, (e) 106 μ m and accounts for 2～10 weight %.
Below, embodiment is described.Embodiment 1～5 relates to the present invention 1 and the present invention 3, and embodiment 6～9 relates to the present invention 2 and the present invention 3.The size-grade distribution of main raw material is that the particle of 10mm～850 μ m is represented with (a), the particle of 850 μ m～425 μ m is represented with (b), the particle of 425 μ m～250 μ m is represented with (c), the particle of 250 μ m～106 μ m is represented with (d), the following particle of 106 μ m represents that with (e) its shared ratio is represented with weight %.The compressive strength of each block shaping thing that mensuration makes.Embodiment 1 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: shale 100 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) no size-grade distribution (weight %) size ranges (a) 60.75
(b)??????????????13.26
(c)??????????????10.25
(d)??????????????8.37
(e) compressive strength of the resulting block shaping thing of 7.37 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 12.2 test portions 2 11.8 test portions 3 11.7 average 11.90
Embodiment 2 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: shale 100 cement (with respect to main raw material 100) 25 stiffening agents (with respect to cement 100) 5 size-grade distribution (weight %) size ranges (a) 60.75
(b)??????????????13.26
(c)??????????????10.25
(d)??????????????8.37
(e) compressive strength of the block shaping thing of 7.37 mensuration gained, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 39.8 test portions 2 38.7 test portions 3 36.9 average 38.47
Embodiment 3 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: shale 70
Spoil 30 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) no size-grade distribution (weight %) size ranges (a) 67.98
(b)???????????????????13.82
(c)???????????????????7.10
(d)???????????????????6.57
(e) compressive strength of the resulting block shaping thing of 4.53 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 12.8 test portions 2 12.3 test portions 3 11.9 average 12.33
Embodiment 4 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: shale 70
Flying dust 30 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) no size-grade distribution (weight %) size ranges (a) 57.75
(b)?????????????????????????15.38
(c)?????????????????????????9.95
(d)?????????????????????????8.37
(e) compressive strength of the resulting block shaping thing of 8.55 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 14.8 test portions 2 13.6 test portions 3 12.9 average 13.76
Embodiment 5 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: shale 50
Spoil 25
Flying dust 25 cement (with respect to main raw material 100) 25 stiffening agents (with respect to cement 100) 5 size-grade distribution (weight %) size ranges (a) 57.38
(b)?????????????????????????13.26
(c)?????????????????????????9.95
(d)?????????????????????????10.56
(e) compressive strength of the resulting block shaping thing of 8.85 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 42.7 test portions 2 41.5 test portions 3 40.7 average 41.63
Embodiment 6 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: quarrying roach 30
Building roach 20
Spoil 20
Flying dust 30 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) do not have size-grade distribution (weight %) size range (a) 57.51
(b)??????????????????17.56
(c)??????????????????7.95
(d)??????????????????8.21
(e) compressive strength of the resulting block shaping thing of 8.77 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 12.5 test portions 2 11.8 test portions 3 11.7 average 12.00
Embodiment 7 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: quarrying roach 20
Building roach 20
Spoil 20
Flying dust 20
Cupola furnace grain slag slag 20 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) do not have size-grade distribution (weight %) size range (a) 77.51
(b)???????????????????????11.25
(c)???????????????????????7.31
(d)???????????????????????6.26
(e) compressive strength of the resulting block shaping thing of 2.33 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 13.5 test portions 2 13.4 test portions 3 11.9 average 12.93
Embodiment 8 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: quarrying roach 20
Building roach 15
Ceramic industry roach 15
Spoil 15
Flying dust 20
Cupola furnace grain slag slag 15 cement (with respect to main raw material 100) 11 stiffening agents (with respect to cement 100) do not have size-grade distribution (weight %) size range (a) 67.77
(b)???????????????????13.55
(c)???????????????????8.14
(d)???????????????6.33
(e) compressive strength of the resulting block shaping thing of 4.21 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 13.3 test portions 2 13.1 test portions 3 12.9 average 13.10
Embodiment 9 makes block shaping thing according to following mixing example and size-grade distribution.Mix example (weight %) main raw material: quarrying roach 20
Building roach 15
Ceramic industry roach 15
Spoil 15
Flying dust 20
Cupola furnace grain slag slag 15 size-grade distribution (weight %) size ranges (a) 67.77
(b)??????????????13.55
(c)??????????????8.14
(d)??????????????6.33
(e) compressive strength of the resulting block shaping thing of 4.21 mensuration, shown below is the compressive strength measurement result.Intensity (N/mm
2) test portion 1 45.5 test portions 2 43.8 test portions 3 42.6 average 43.96 as previously mentioned, utilize the manufacture method of block shaping thing of the present invention, can not use limited clay as earth resources, can be effectively utilize main raw material again, cause the utilization of resources effective now of the social concern that global environment pollutes that very big contribution is arranged for meeting as bulk with substituting cohesive material or industrial waste.
And manufacture method of the present invention can be carried out mass production easily, and need not carry out sintering (no sintering), so can not discharge the carbonic acid gas that causes global warming, its economic worth is very high.
Claims (5)
1. the manufacture method of block shaping thing, it is characterized in that, with shale and the discarded cohesive soil that adopts as required, discarded piece and waste-powder is main raw material, they are mixed, smash and pinch with cement and moisture, again by vacuum suction to the mixture processing that outgases, with its extrusion molding, only obtain block shaping thing simultaneously through super-dry without sintering processes.
2. the manufacture method of block shaping thing, it is characterized in that, discarded piece and waste-powder with discarded cohesive soil and employing as required are main raw material, they are mixed, smash and pinch with cement and moisture, again by vacuum suction to the mixture processing that outgases, with its extrusion molding, only obtain block shaping thing simultaneously through super-dry without sintering processes.
3. the manufacture method of block shaping thing as claimed in claim 1 or 2, its feature also are, add stiffening agent as required in aforementioned base materials.
4. the manufacture method of block shaping thing as claimed in claim 1 or 2, its feature also is, aforementioned discarded cohesive soil comprises any in building roach, quarrying roach, ceramic industry roach or the diatom roach, aforementioned discarded piece comprises any in spoil, blast-furnace slag, converter slag, electric-furnace slag, cupola furnace grain slag slag, furnace bottom ash, concrete fragment, brick fragment, fragment of brick fragment or the tile fragment, and waste-powder comprises that flying dust or water drain incinerate any in the ash.
5. the manufacture method of block shaping thing as claimed in claim 1 or 2, its feature also is, the size-grade distribution of aforementioned main raw material is that particle that particle that particle that the particle of 10mm～850 μ m accounts for 55～80 weight %, 850 μ m～425 μ m accounts for 8～20 weight %, 425 μ m～250 μ m accounts for 3～15 weight %, 250 μ m～106 μ m accounts for the following particle of 3～15 weight %, 106 μ m and accounts for 2～10 weight %.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002258660A JP2004090585A (en) | 2002-09-04 | 2002-09-04 | Method for manufacturing block |
| JP2002258660 | 2002-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1480422A true CN1480422A (en) | 2004-03-10 |
| CN1276891C CN1276891C (en) | 2006-09-27 |
Family
ID=32024524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021482756A Expired - Fee Related CN1276891C (en) | 2002-09-04 | 2002-10-31 | Mfg. method of blocks |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004090585A (en) |
| CN (1) | CN1276891C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103394497A (en) * | 2013-05-29 | 2013-11-20 | 厦门腾远资源应用科技开发有限公司 | Environmentally-friendly dedusting ash processing apparatus |
| CN103601522A (en) * | 2013-12-09 | 2014-02-26 | 湖南湘钢瑞泰科技有限公司 | Unfired brick and preparation method thereof |
| CN104311099A (en) * | 2014-10-21 | 2015-01-28 | 庄志汕 | Tempered sponge brick produced by using urban construction garbage by treating waste with waste |
| CN111072354A (en) * | 2018-10-22 | 2020-04-28 | 深圳市能迩环保科技实业发展有限公司 | Construction residual mud pavement brick and preparation method thereof |
| CN111072337A (en) * | 2018-10-22 | 2020-04-28 | 深圳市能迩环保科技实业发展有限公司 | Construction waste soil pavement brick and preparation method thereof |
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| JP4962915B2 (en) * | 2007-03-06 | 2012-06-27 | 東京電力株式会社 | Manufacturing method of water retention block |
| JP2009173498A (en) * | 2008-01-25 | 2009-08-06 | Taiheiyo Cement Corp | Hydraulic composition and hardened body |
| JP2010090694A (en) * | 2008-09-10 | 2010-04-22 | One Uiru:Kk | Inorganic composition including mixed slurry mainly consisting of porous minerals containing sewage sludge incineration ash and diatomaceous earth, and planting complex system using it as base |
| CN101391883A (en) * | 2008-11-05 | 2009-03-25 | 北京创导高科绝热材料有限公司 | Method for producing light heat-insulating brick from coal mine associated resources and light heat-insulating brick thereof |
| JP2010275155A (en) * | 2009-05-29 | 2010-12-09 | Zyuku Ltd | Concrete composition, concrete structure and block for fish reef or spawning reef |
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| CN101905967B (en) * | 2010-06-22 | 2012-11-21 | 上海应用技术学院 | Fly ash baked brick prepared by washed incineration fly ash of house refuse and preparation method thereof |
| JP5462199B2 (en) * | 2011-02-08 | 2014-04-02 | 住友不動産株式会社 | Manufacturing method of earth brick using construction surplus soil |
| CN102249608B (en) * | 2011-04-06 | 2012-12-05 | 济南大学 | Algae-residue combustion ash paving bricks |
| CN102424555A (en) * | 2011-09-15 | 2012-04-25 | 安顺市兰星环保建材有限公司 | Construction waste baking-free brick and preparation method thereof |
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| CN104355590A (en) * | 2014-10-13 | 2015-02-18 | 合肥庭索环保材料有限公司 | Method for firing paving brick by municipal sludge |
| CN107935468B (en) * | 2017-11-17 | 2020-10-13 | 浙江云玺建材有限公司 | Method for producing baking-free environment-friendly ecological brick by using sludge |
| CN109516775B (en) * | 2018-12-29 | 2020-03-31 | 陕西尧柏新型墙材有限公司 | Coal chemical industry gasification slag sintered brick and preparation method thereof |
-
2002
- 2002-09-04 JP JP2002258660A patent/JP2004090585A/en active Pending
- 2002-10-31 CN CNB021482756A patent/CN1276891C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103394497A (en) * | 2013-05-29 | 2013-11-20 | 厦门腾远资源应用科技开发有限公司 | Environmentally-friendly dedusting ash processing apparatus |
| CN103601522A (en) * | 2013-12-09 | 2014-02-26 | 湖南湘钢瑞泰科技有限公司 | Unfired brick and preparation method thereof |
| CN104311099A (en) * | 2014-10-21 | 2015-01-28 | 庄志汕 | Tempered sponge brick produced by using urban construction garbage by treating waste with waste |
| CN104311099B (en) * | 2014-10-21 | 2015-09-02 | 庄志汕 | Tempering sponge brick is produced in the treatment of wastes with processes of wastes against one another of urban construction rubbish |
| CN111072354A (en) * | 2018-10-22 | 2020-04-28 | 深圳市能迩环保科技实业发展有限公司 | Construction residual mud pavement brick and preparation method thereof |
| CN111072337A (en) * | 2018-10-22 | 2020-04-28 | 深圳市能迩环保科技实业发展有限公司 | Construction waste soil pavement brick and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1276891C (en) | 2006-09-27 |
| JP2004090585A (en) | 2004-03-25 |
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